63results about How to "Change the speed of movement" patented technology

The invention discloses a flexible pectoral fin swing type underwater bionic robot, consisting of a left swinging component, a right swinging component, a tail swinging component, a supporting component, a left flexible wing and a right flexible wing; the left flexible wing has the same structure with that of the right flexible wing, the two wings are symmetrically assembled by taking the longitudinal axis as a center to form a flexible body, the left swinging component, the right swinging component, the tail swinging component and the supporting component are arranged inside the flexible body, and an air supply is arranged outside the flexible body; the supporting component is arranged along the longitudinal axis, the left swinging component and the right swinging component are respectively arranged at the left side and the right side of the supporting component, and the tail swinging component is arranged at the rear end of the supporting component; and the left swinging component has the same structure as that of the right swinging component. The bionic robot adopts the external air supply to drive pneumatic artificial muscles, so as to realize moving forwards, turning and heave movement of the bionic robot in water.

The invention discloses a voice navigation system of an animal robot. The voice navigation system comprises a microphone, a master control device with a voice recognizer and a stimulation command switch, and a micro stimulator. The invention further discloses a voice navigation method of the animal robot. The method includes the steps of S01, allowing the microphone to receive and forward a voice command; S02, allowing a voice command recognition module to recognize the voice command and decide recognition results; if the results confirm noise, not operating; if the results confirm a stimulation parameter adjustment command, allowing the stimulation command switch to modify current simulation parameters according to the content of the stimulation parameter adjustment command and store the parameters; if the results confirm a control command, allowing the stimulation command switch to generate stimulation parameters according to the control command, and entering the step S03; S03, allowing the micro stimulator to perform electric pulse stimulation on the animal robot according to the stimulation parameters, and navigate the animal robot. Movements of the animal robot are flexibly controlled through voice.

The invention discloses a medlar picking machine, and belongs to the technical field of medlar picking. The medlar picking machine comprises a support frame assembly, a collecting assembly and a vibration assembly, and has the following connection relationship that a support frame B of the collecting assembly is movably connected with a support frame A of the support frame assembly through a lifting oil cylinder, and the movable connection of the collecting assembly and the support frame assembly is formed; in addition, the support frame B is positioned inside a cavity formed by the support frame A, and the strip-shaped gap of a bottom plate of the support frame B is placed along the X-axis direction; a vibration frame plate of the vibration assembly is glidingly connected with the support frame B of the collecting assembly through a double-rolling-wheel structure, and the movable connection of the vibration assembly and the collecting assembly is formed; in addition, the vibration frame plate can slide on the support frame B along the X-axis direction. The medlar picking machine has the advantages that through a multi-point uniform distribution vibration swinging type fully automatic picking mechanism, the picking efficiency is improved, the thorough picking rate of fresh medlar fruits is high, in addition, only ripe fruits are harvested in the operation process, and unripe fruits cannot be damaged.

An integrated universal wheel comprises a universal wheel body, a transmission and a brushless EU disc type motor. The brushless EU disc type motor and the transmission of the universal wheel are placed in the universal wheel body. The brushless EU disc type motor is connected with the transmission. A gear at the output end of the transmission serves as a sun gear to be engaged with a planet gear in the universal wheel body to drive the universal wheel body to move. By the adoption of the integrated universal wheel, the brushless EU disc type motor is fixed into the universal wheel body, and the working efficiency of the brushless EU disc type motor is improved.

The invention discloses a nanofluidic chip, a processing method based on atomic force microscopy (AFM), and application. Each of two ends of the chip is provided with a liquid storage tank; each liquid storage tank is connected with a micron pipeline; a nano pipeline is arranged between two micron pipelines; and electrodes which are vertical to the pipelines are arranged on two sides of the nano pipeline. The nano pipeline which is communicated with the micron pipelines is processed by using an AFM probe. Certain voltage is applied between the liquid storage tanks of the chip, small voltage is applied to the electrodes on two sides of the pipelines simultaneously, and the change of a current signal is measured; and when an object flows through the electrodes in the nano pipeline, current changes, and signal detection can be used for analyzing the structural and physical characteristics of a nano material. Processing and signal detection methods for the nanofluidic chip can applied to low-cost and quick sequencing of deoxyribose nucleic acid (DNA) molecules.

Embodiments of the invention disclose a frequency matching method and device based on fuzzy PID controllers. A reference current signal of a wave power generating system is calculated; a corresponding current deviation signal and the current deviation ratio are calculated according to the reference current signal and an actual current signal generated by the wave power generation system, the current deviation signal and the current deviation ratio are input to the fuzzy PID controllers and are processed by the fuzzy PID controllers, and then corresponding rotating voltage signals are obtained; the rotating voltage signals go through coordinate transformation and processing of an SVPWM generator, and then a target voltage signal of a working converter on a driving machine side; and the target voltage signal is applied to a motor of the wave power generating system, a motion speed of a float in the wave power generating system can be changed then, and then frequency matching is achieved. The fuzzy PID controllers are applied to the wave power generating system, an oscillation of the wave power generating system near a maximum power point can be effectively reduced, and then stability of obtaining of maximum output power of the wave power generating system is improved.

The invention provides an electric lifting platform for logistics. The electric lifting platform comprises a rack, a lifting platform body, a vertical lifting unit, a horizontal moving unit and a protecting net, wherein the vertical lifting unit is mounted in the rack; a baseplate is mounted on the vertical lifting unit; the horizontal moving unit is mounted on the baseplate; the lifting platformbody is mounted on the horizontal moving unit; the protecting net is mounted on the lifting platform body; the vertical lifting unit comprises four screw lifts which are capable of rising and fallingsynchronously; and screws and guiding columns of the screw lifts are perpendicularly arranged with and fixedly connected with the horizontal moving unit. Through the electric lifting platform for logistics, goods and small-sized transportation equipment such as a forklift can be conveyed into a carriage; more convenience can be provided for the loading and unloading of goods in the logistics process; and the relatively high reliability and safety can be achieved.

The invention provides a liquid type plasma device for treating tumors and skin diseases, which uses common water and a magnetic field to act under specific conditions, and utilizes the magnetic fieldwith vortex type magnetic lines of force to convey electron beams generated by one plasma electrode to the other plasma electrode to form a loop; therefore, substances dissolved in common water are impacted by electrons to generate various different plasmas, so that surface and deep treatment can be carried out on a treated object.

The invention relates to a super-capacitor electric vehicle and a power supply method thereof. The super-capacitor electric vehicle comprises a vehicle body, a storage battery component and a driving component, wherein the storage battery component is electrically connected with the driving component; the vehicle body is driven to move by the driving component; the super-capacitor electric vehicle further comprises an electricity generating component, a first super-capacitor component, a second super-capacitor component and a control switching component; the electricity generating component and the driving component are electrically connected with the control switching component; the control switching component is respectively in electric connection with the first super-capacitor component, the second super-capacitor component and the storage battery component. According to the super-capacitor electric vehicle and the power supply method thereof provided by the invention, the energy of the electric vehicle while running is recycled and the recycled energy is reused for driving the electric vehicle, so that the utilization efficiency of the energy is greatly increased, the endurance mileage of the electric vehicle is prolonged and the super-capacitor electric vehicle is green, low-carbon, energy-saving and environment-friendly.

The invention relates to a dynamic detection testing machine of a bumper, and the machine provided by the invention comprises a load-bearing track and a test specimen mounting base which is provided with a test specimen mounting foundation and a load sensor. The technical points of the invention is as follows: a bumper test specimen is fixed on the test specimen mounting foundation; the load sensor is arranged between the test specimen mounting foundation and the test specimen mounting base; a distance-measuring sensor and a speed-measuring sensor group are arranged along the horizontal position of the outer end surface of the bumper test specimen; a load testing vehicle and a traction control vehicle which are provided with unhooking heads are arranged on the load-bearing track; and a traction power group is arranged at the end of the load-bearing track which is arranged at one side of the traction control vehicle. The dynamic detection testing machine provided by the invention can be used for actually collecting the data of each main performance of the bumper, provides a scientific basis for safeguard devices such as the scientific, effective and reasonable configuration bumpers and the like of track operating equipment, crane machinery and vehicles and preventing the state property and personal casualty accidents from occurring due to the inaccurate performance index of the bumper.

The invention relates to a measuring apparatus for the moisture transmission performance of a wadding fiber assembly. The measuring apparatus comprises a heat insulation protection seat. The upper part of the heat insulation protection seat is provided with a two-section groove; the lower layer of the groove is a constant temperature water bath tank; a thermal resistance filament is fixed in the constant temperature water bath tank; a simulated skin is covered over an upper liquid level of the constant temperature water bath tank; a first temperature sensor and a first humidity sensor are arranged above the simulated skin; the upper layer of the groove is in immovable fit with a sample cylinder; the lower end of the sample cylinder is provided with a mesh interlayer; the interior surface of the sample cylinder and the outer surface of a pushing cylinder are in sliding fit; the upper end of the pushing cylinder is opened, the lower end of the pushing cylinder is provided with a mesh interlayer, and a second temperature sensor and a second humidity sensor are fixedly arranged above the mesh interlayer; and the thermal resistance filament, the first temperature sensor, the second temperature sensor, the first humidity sensor, the second humidity sensor, a refrigerator and a fan are connected with a control circuit and are connected with a computer through a signal pickup assembly for realization of data processing.

The invention provides a gear combination transmission mechanism. The mechanism can comprise an input shaft and an output shaft and particularly comprises a sun wheel, a middle shaft, a planet wheel and two transmission assemblies. The sun wheel is fixed to the output shaft, and the middle shaft and the output shaft are arranged at an interval in parallel; the planet wheel is mounted on the middle shaft and meshed with the sun wheel; the two transmission assemblies are configured to enable rotation motion of the input shaft to be converted into the rotation motion of the middle shaft around the output shaft and rotation motion of the planet wheel around the middle shaft; and at least one transmission assembly comprises a non-circular gear pair composed of two meshed non-circular gears, and therefore the instantaneous transmission ratio between the output shaft and the input shaft is changed according to a curve. According to the gear combination transmission mechanism, the transmission direction, the speed and the back-and-forth amplitude of the output shaft can be changed, and the mechanism can be suitable for meeting the requirements and various changes of mechanisms with reciprocating and back-and-forth amplitudes and speed adjusting motion.

The invention discloses bean curd sheet preparation equipment and aims to provide thin bean curd sheet processing equipment which is consistent in product size, uniform in thickness and high in yield. The bean curd sheet preparation equipment comprises a net-shaped conveyor belt (13) arranged on a rack (1) through a roller shaft (7), wherein the conveyor belt is driven by a motor (4) fixed on the rack (1) through a transmission mechanism; the motor (4) is fixed on the rack (1); the transmission mechanism consists of a small chain wheel fixed on a shaft of the motor, a big chain wheel (6) fixed on the roller shaft (7), and a chain (5) connecting the small chain wheel with the big chain wheel (6); a bottom-layer filter cloth roller (15), a surface-layer filter cloth roller (18) and a slurry slot (16) are arranged above the conveyor belt (13); the slurry slot is positioned between the bottom-layer filter cloth roller (15) and the surface-layer filter cloth roller (18). The bean curd sheet preparation equipment is simple in structure, convenient to operate, and capable of replacing manual operation to realize continuous production, and is bean curd processing equipment.

The invention discloses a material group distribution detection and regulation system and method in the variable-ellipse equal-thickness screening process. The system comprises a variable-ellipse equal-thickness screen, a screen surface vibration testing and analyzing device, a material group high-speed camera shooting testing and analyzing device and an excitation regulation device, wherein the screen surface vibration testing and analyzing device detects the movement tracks of different areas of the screen surface of the variable-ellipse equal-thickness screen in real time; the material group high-speed camera shooting testing and analyzing device detects the movement speed and spatial distribution of a material group in real time; and the excitation regulation device regulates the excitation parameters of an unbalanced exciter. According to the material group distribution detection and regulation system and method in the variable-ellipse equal-thickness screening process, for different screening operation conditions, the parameters of the unbalanced exciter are regulated through the excitation regulation device according to the real-time online detection results of the screen surface vibration testing and analyzing device and the material group high-speed camera shooting testing and analyzing device so as to change the movement tracks of different areas of the screen surface, then the movement speed and spatial distribution of the material group in the screening process of the variable-ellipse equal-thickness screen are regulated, and variable-ellipse equal-thickness efficient screening of materials under different conditions is achieved.

The present invention discloses a magnetic particle regulation and control aggregation system in a space. The magnetic particle regulation and control aggregation system in the space comprises a powersupply module, an on-off control module and a magnetic control device, and output groups of the power supply module supply power to the magnetic control device in a time-dividing, zone-dividing and pressure-dividing manner through the on-off control module; the power supply module comprises polarized power supply units and push power supply units, each corresponding group of polarized coil groupsis respectively provided with the corresponding polarized power supply unit, and each corresponding push coil is respectively provided with the corresponding push power supply unit; and the on-off control module comprises power supply control units and a power supply driving unit, the polarized power supply unit or the push power supply unit both supply power to a polarized coil or a push coil inthe magnetic control device from the power supply control unit, and the power supply driving unit is used for driving on or off of the power supply control units. Beneficial effects are as follows: the magnetic particle regulation and control aggregation system energizes the polarized coil groups and the push coils in each direction, gradually push magnetic particles from corresponding directionsto ta center of a magnetic regulation region, and highly controllably realizes aggregation of the magnetic particles.

The invention discloses a flexible pectoral fin swing type underwater bionic robot, consisting of a left swinging component, a right swinging component, a tail swinging component, a supporting component, a left flexible wing and a right flexible wing; the left flexible wing has the same structure with that of the right flexible wing, the two wings are symmetrically assembled by taking the longitudinal axis as a center to form a flexible body, the left swinging component, the right swinging component, the tail swinging component and the supporting component are arranged inside the flexible body, and an air supply is arranged outside the flexible body; the supporting component is arranged along the longitudinal axis, the left swinging component and the right swinging component are respectively arranged at the left side and the right side of the supporting component, and the tail swinging component is arranged at the rear end of the supporting component; and the left swinging component has the same structure as that of the right swinging component. The bionic robot adopts the external air supply to drive pneumatic artificial muscles, so as to realize moving forwards, turning and heave movement of the bionic robot in water.

The invention relates to the technical field of tea leaf processing, in particular to an air control device for a continuous tea leaf de-enzyming and carding machine. The air control device comprises a rectangular rack, a pot groove mechanism and an air control unit fixedly installed above the rack. The air control unit comprises an air inlet mechanism, a sealed concentric-square-shaped air duct and two or more air distribution mechanisms evenly arranged in the length direction of the concentric-square-shaped air duct, and the upper end of the concentric-square-shaped air duct is covered with a cover plate in a matched mode; the air inlet mechanism comprises an air inlet pipe and a rectangular communicating pipe which communicate with each other. Each air distribution mechanism comprises an air adjusting mechanism and two rectangular air distribution pipes. Each air adjusting mechanism comprises a driving air distributing pipe and two driven air distributing pipes, and one end of the two driven air distributing pipes are connected with the corresponding ends of the driving air distributing pipe through linkage mechanisms. According to the invention, the functions of air direction control, uniform air distribution, moisture removal control, tea leaf de-enzyming and carding processing time control and the like in the continuous tea leaf de-enzyming and carding processing air supply process can be realized.

The invention discloses a nanoscale detection chip. Two liquid storage tanks are respectively arranged on the two ends of the chip, each liquid storage tank is connected with a micrometer pipeline, a nanometer pipeline is arranged between the two micrometer pipelines, and the two sides of the nanometer pipeline are respectively provided with an electrode which is vertical to the nanometer pipeline; and the liquid storage tanks are rectangular, and a plurality of electrodes which are vertical to the liquid storage tanks are arranged on one sides of the liquid storage tanks. The chip can accurately apply current and voltage according to different detection requirements, so that only one group of the electrodes can be prevented from influencing the current when generating the regulation voltage.

The invention discloses a medlar picking machine, and belongs to the technical field of medlar picking. The medlar picking machine comprises a support frame assembly, a collecting assembly and a vibration assembly, and has the following connection relationship that a support frame B of the collecting assembly is movably connected with a support frame A of the support frame assembly through a lifting oil cylinder, and the movable connection of the collecting assembly and the support frame assembly is formed; in addition, the support frame B is positioned inside a cavity formed by the support frame A, and the strip-shaped gap of a bottom plate of the support frame B is placed along the X-axis direction; a vibration frame plate of the vibration assembly is glidingly connected with the support frame B of the collecting assembly through a double-rolling-wheel structure, and the movable connection of the vibration assembly and the collecting assembly is formed; in addition, the vibration frame plate can slide on the support frame B along the X-axis direction. The medlar picking machine has the advantages that through a multi-point uniform distribution vibration swinging type fully automatic picking mechanism, the picking efficiency is improved, the thorough picking rate of fresh medlar fruits is high, in addition, only ripe fruits are harvested in the operation process, and unripe fruits cannot be damaged.

The invention discloses an ocean drill rod connector. The ocean drill rod connector comprises a male connector body and a female connector body. The male connector body and the female connector body are provided with an outer thread and an inner thread which are matched with each other respectively. Both the end, away from the outer thread end of the male connector body, of the male connector body and the end, away from the inner thread end of the female connector body, of the female connector body are provided with tapered circular beads. The tapered circular beads are provided with a plurality of reinforcing ribs of a spiral structure at intervals. Spiral grooves are formed between the adjacent reinforcing ribs. According to the ocean drill rod connector, the reinforcing ribs of the spiral structure and the spiral grooves are arranged on the tapered circular beads at intervals, so that the ocean drill rod connector is high in torsional strength, large in load capacity, evenly distributed in stress and capable of meeting the high torsional requirement of ultra deep drilling of an ocean drill rod; the reinforcing ribs and the spiral grooves further have the advantages that the drilling fluid circulation is accelerated, and the corrosion wear resistance is improved, the ocean drill rod can be prevented from being worn untimely and failed, the service life of the drill rod is prolonged accordingly, the drilling efficiency is improved, the drilling cycle is shortened, and the drilling cost is lowered.

The invention discloses a convenient-to-use exercise nursing device for patients in sickbeds. The device comprises a rectangular frame, a strip-type square hole, a minitype air pump, a one-way valve,a flow control valve, a quadrature tube, a U-shaped frame cover, a spherical valve, a piston, a pushing rod, an air cylinder, a pedal, an L-shaped plate, a honeycomb hole, a cube strip block, a firstU-shaped seat, a T-shaped sliding rod, an inclined supporting rod, a long threaded rod, a threaded hole block, a strip-type groove, a second U-shaped seat and an operating disk. According to the device, the design is novel, the mode that gas with air pressure is adopted to form resistance corresponding to movements and adjust and control the gas outflow is adopted, the effect of adjusting resistance is achieved, a user can conveniently change the speed of alternating movements of legs, the function of adjusting and fixing the inclined angle of the pedal is achieved, the user can conveniently adjust and use the device according to situations, the pedal can be conveniently spread and stored, and the whole device is light and is applicable to patients with legs being in rehabilitation stage in sickbeds or old patients needing exercises.

The invention relates to the field of engineering, in particular to an automatic wood cover cutting device. According to the device, the wood cover cutting speed can be changed, and the wood cover conveying and collecting speed can be changed. The wood cover cutting device comprises a cutting device, a conveying device, a collecting device and a first belt, a first handle is rotated to drive a second handle to rotate, a second functional column is driven to rotate, a first gear is driven to rotate, a second gear is driven to rotate, then a third connecting rod is driven to rotate, then a supporting rod is driven to rotate upwards or downwards, four upper foot frames are driven to move upwards or downwards, a boss is driven to ascend or descend, the contact position of a first rotating wheel and a sixth rotating wheel is changed, the rotating speed of the first rotating wheel is changed, and the wood cover cutting speed is changed. When the position of a first motor in a base is changed, the rotating speed of a fourth rotating wheel is changed, the speed of a conveying belt is changed, meanwhile, the moving speed of the cutting device and the moving speed of the collecting device are changed, and the cutting effect is changed.

The invention discloses a method for preparing a functionally graded material through pressure filtration forming in a motional magnetic field, which comprises the following steps of: 1) preparing a porous mould; 2) mixing powders different in magnetism with de-ionized water in a certain proportion, and stirring all the materials in a ball mill to form evenly dispersed slurry, and carrying out pouring; 3) applying a motional magnetic field having the magnetic field intensity of 0.1 to 10 T to take effect once or multiple times, and performing pressure filtration filtering; and 4) carrying out drying and sintering forming. The method disclosed by the invention has the following advantages that: graded materials different in composition distribution can be obtained by changing the magnetic field intensity, the speed of motion and the magnetic field acting times; and by employing the mature ceramic pressure filtration forming method, the steps for preparing the functionally graded material are simplified, and the cost is greatly reduced.

The invention discloses a pneumatic-electronic control system of a filter element welding machine. The pneumatic-electronic control system of the filter element welding machine comprises a pneumatic loop and a control circuit. The pneumatic loop is composed of three branch loops in parallel. Actions of a longitudinal driving cylinder A, a transverse driving cylinder B and a transverse driving cylinder C can be achieved respectively. Each branch loop comprises the corresponding driving cylinder, a two-position five-way reversing valve and a check throttling valve. The two-position five-way reversing valves are connected with the driving cylinders. The check throttling valves are connected to a gas returning path between the driving cylinders and the two-position five-way reversing valves in series. The control circuit is mainly provided with travel switches, a delay relay T1 and a delay relay T2. The travel switches are installed at the stretch-out positions and the retraction positions of piston rods of the driving cylinders A, B and C respectively. The delay relay T1 is used for controlling heating time, and the delay relay T2 is used for controlling welding holding time. Due to the adoption of the scheme, the pneumatic-electronic control sequential action system of the filter element welding machine is provided.

The invention discloses an electric sewing machine device based on machine vision. A camera is located on the central line of a total rack, and the camera is electrically connected with a control panel which is fixedly installed on the total rack; each cloth feeding mechanism comprises a fixing plate, a stepping motor frame, a lifting screw, a universal wheel, an auxiliary wheel support, a stepping motor and an auxiliary wheel, wherein the stepping motor is sleeved with the stepping motor frame, the stepping motor frame is installed on the lower portion in the total rack through the fixing plate, the upper end of the lifting screw penetrates through the stepping motor frame and the fixing plate in sequence and then is screwed with a lifting nut, and the universal wheel is connected with the stepping motor through a coupling; the auxiliary wheel support is installed on the inner side of the stepping motor frame, and the auxiliary wheel is installed on the lower bottom face of the auxiliary wheel support. The control panel controls the stepping motor to achieve differential speed between the left and right universal wheels based on the information, collected by the camera, of lines on cloth, and cloth movement is changed. The working precision is high, the cloth movement speed is changed along with the sewing speed, and the sewing effect cannot be affected.

The invention relates to the field of engineering, in particular to an automatic printing device. The automatic printing device can enable a printing plate and bottom plate paper to be synchronous by changing the printing speed and can change the drying effect by changing the height of an air heater. The automatic printing device comprises a reciprocating printing device, a conveying device, and a drying device; a first knob is rotated to drive a third connecting column to rotate, a first gear is driven to rotate, and a first support is driven to move in a first base, so that the rotating speed of a second rotating wheel is changed, the rotating speed of a second connecting column is changed, the moving speed of a first connecting rod is changed, the moving speed of a second connecting rod is changed, the reciprocating moving speed of an inner sliding block is changed, and the reciprocating printing speed is changed; and a fifth rotating wheel is rotated to drive a third supporting column to rotate, a third straight tooth and a fifth gear are driven to rotate, then a fourth gear and the straight tooth are driven to move upwards or downwards, a back plate is driven to ascend or descend, the height of the air heater is changed, and then the drying effect is changed.

The invention provides a liquid plasma device for treating tumors and skin diseases. The device uses ordinary water and a magnetic field to act under specific conditions, and uses a magnetic field with vortex magnetic lines of force to generate electron beams from a plasma electrode and transport it. To another plasma electrode, a circuit is formed; thus, the substances dissolved in ordinary water are impacted by electrons to generate various types of plasma, so that surface and deep treatment can be performed on the treated object.